641473013 has 8 divisors (see below), whose sum is σ = 670517568. Its totient is φ = 612524704.

The previous prime is 641472943. The next prime is 641473031. The reversal of 641473013 is 310374146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641473013 - 2¹⁰ = 641471989 is a prime.

It is a super-2 number, since 2×641473013² = 822975252814596338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641475013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10256 + ... + 37257.

It is an arithmetic number, because the mean of its divisors is an integer number (83814696).

Almost surely, 2^641473013 is an apocalyptic number.

It is an amenable number.

641473013 is a deficient number, since it is larger than the sum of its proper divisors (29044555).

641473013 is a wasteful number, since it uses less digits than its factorization.

641473013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48123.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 641473013 is about 25327.3175247597. The cubic root of 641473013 is about 862.4345174118.

The spelling of 641473013 in words is "six hundred forty-one million, four hundred seventy-three thousand, thirteen".